public function __construct()
{
Validator::extend('skinmimes', function ($attribute, $value, $parameters) {
$allowed = array('audio/mpeg', 'image/jpeg', 'application/ogg', 'audio/wave', 'audio/aiff', 'image/png', 'text/plain');
$mime = new MimeReader($value->getRealPath());
return in_array($mime->get_type(), $allowed);
});
}
/**
* @name validateFile Comprueba un ARCHIVO que este en el DISCO
* Si quieres comprobar archivos subidos puedes utilizar "validateUploadedFile" para agilizar la carga
* @param string $file Path to file to validate
* @param string/array $type Especifica el/los tipos de ficheros que se aceptan
*/
public function validateFile($file, $type = '', $testExtensions = true)
{
$mime = new MimeReader($file);
return $this->validate($file, $mime->get_type(), $type, $testExtensions);
}
/**
* Returns the mime type of a file
*
* @param string $file
* @return mixed
*/
public static function mime($file)
{
// stop for invalid files
if (!file_exists($file)) {
return null;
}
// Fileinfo is prefered if available
if (function_exists('finfo_file')) {
$finfo = finfo_open(FILEINFO_MIME_TYPE);
$mime = finfo_file($finfo, $file);
finfo_close($finfo);
return $mime;
}
// for older versions with mime_content_type go for that.
if (function_exists('mime_content_type') && ($mime = @mime_content_type($file) !== false)) {
return $mime;
}
// shell check
try {
$mime = system::execute('file', [$file, '-z', '-b', '--mime'], 'output');
$mime = trim(str::split($mime, ';')[0]);
if (f::mimeToExtension($mime)) {
return $mime;
}
} catch (Exception $e) {
// no mime type detectable with shell
$mime = null;
}
// Mime Sniffing
$reader = new MimeReader($file);
$mime = $reader->get_type();
if (!empty($mime) && f::mimeToExtension($mime)) {
return $mime;
}
// guess the matching mime type by extension
return f::extensionToMime(f::extension($file));
}
<?php
include '../mimereader.class.php';
$files = array('./image.jpg', './image.png', './image.gif', './image.bmp', './Test.pdf');
echo '<table>';
foreach ($files as $file) {
$fp = fopen($file, 'r');
$buffer = fread($fp, 16);
fclose($fp);
echo '<tr><td>' . $file . '</td><td>';
$type = '<b>UNKNOWN</b>';
$reader = new MimeReader($file);
echo $reader->get_type() . '</td></tr>';
}
echo '</table>';
